{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "cell line", "protein", "DNA", "RNA"], "input": "Furthermore, using DNA templates containing two copies of the PRDII domain linked to the rabbit beta globin gene , the purified polypeptides specifically stimulated NF-kappa B dependent transcription in an in vitro reconstitution assay as heterodimers but not as p50 homodimers ."}
{"cell type": [], "cell line": [], "protein": ["NF-kappa B", "p50 homodimers"], "DNA": ["DNA templates", "PRDII domain", "rabbit beta globin gene"], "RNA": []}